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Northern Gritstone — Portfolio

Investor actively backing innovative startups and growth-stage companies across various industries and funding rounds.

54
Companies
$375.4M
Total invested
$9.2M
Avg. check
43
Industries
Software 5Health Care 5Artificial Intelligence (AI) 4Information Technology 3Manufacturing 3Biotechnology 3+37 more
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Portfolio companies

Showing 124 of 54
Mimetrik
August 2023

Mimetrik is a developing solution to real-world healthcare problems that are now unsolved or inadequately addressed.

Business Development · Leeds$2.5M Seed
PhovIR Technologies
August 2025

PhovIR Technologies is a deep-tech firm that specializes in miniaturized near-infrared (NIR) material analytics.

Embedded Software · Manchester$5.4M Seed
Pixel-Flo
July 2026

Pixel-Flo develops fluidic self-assembly for microLED mass transfer

Computer · Sheffield$7.0M Seed
AssetCool
July 2025

AssetCool produces photonic coatings and materials that enhance the functionality of electrical networks.

Chemical Engineering · London$13.7M Series A
Opteran
June 2022

Opteran reverse-engineers biological brains to create neuromorphic software for machines.

Artificial Intelligence (AI) · Sheffield$12.3M Seed
Literal Labs
June 2025

Developers of logic-based AI model training tools whose algorithms utilise propositional logic, Tsetlin Machine, and data binsarisation.

Application Specific Integrated Circuit (ASIC) · Newcastle Upon Tyne$6.2M Pre-Seed
Silveray
June 2026

Silveray develop affordable large-area direct conversion detectors for the X-ray imaging market.

Health Care · Stockport$6.6M Series A
Apini Therapeutics
June 2025

Apini Therapeutics is a creating novel small chemical two most prevalent types of inflammatory bowel disease.

Huntingdon$2.4M Seed
Floreon
May 2024

The World’s most versatile bioplastic. 4 times tougher than standard PLA.

Agriculture · Hull$318K Undisclosed
Imperagen
May 2026

Imperagen is a biotechnology research company focused on enzyme engineering, artificial intelligence, and synthetic biology.

Artificial Intelligence (AI) · Manchester$6.7M Seed
LC AuxeTec
April 2023

LC AuxeTec is a materials company based on synthetic auxetic materials that enables resistance to high impact applications.

Advanced Materials · Leeds$2.5M Seed
Cytotrait
March 2026

Cytotrait (previously Plant Organelle Technologies) focuses on the development of novel traits for food and agriculture.

Manchester$4.0M Seed
AmpliSi
March 2026

AmpliSi focuses on sustainable porous silicon anodes for lithium-ion batteries.

Battery · Sheffield$2.7M Pre-Seed
Adsilico
February 2024

Adsilico redefines medical device innovation.

Health Care · Leeds$4.4M Seed
Re:course
February 2023

Re:course develops an AI-based platform for clinical and life sciences patient communication assistance and healthcare education.

Artificial Intelligence (AI) · Manchester$4.3M Seed
Sitehop
October 2025

Sitehop develops cutting-edge networking and cyber-security solutions.

Cyber Security · Sheffield$10.0M Series A
Phlux Technology
March 2025

Phlux is a photonics company developing innovative light detector and imaging systems.

Electronics · Sheffield$11.6M Series A
Partful
December 2024

Partful allows to present the products and parts in spectacular 3D, allowing the consumers to identify the proper parts and order them.

Information Services · Manchester$6.4M Series A
MicroLub
October 2024

MicroLub produces a fat replacement for lower-calorie plant-based diets.

Food and Beverage · Leeds$4.5M Seed
Cavero Quantum
June 2024

Cavero Quantumcreated the world's most secure software-based cryptographic keys.

Security · Leeds$2.8M Seed
Phagenesis
March 2024

Phagenesis is engaged in the development of a device to treat dysphagia, a condition that disables the safe swallowing of food.

Biotechnology · Manchester$42.0M Series D
Pencil Biosciences
September 2023

Pencil Biosciences is a novel gene modulation company.

Biotechnology · Alderley Park$6.8M Seed
C-Capture
September 2023

C-Capture develops a solvent-based technology that offers a safe, low-cost way to remove carbon dioxide from emissions.

Chemical · Leeds$12.4M Venture - Series Unknown
Slingshot Simulations
January 2023

Slingshot Simulations a provider of cutting-edge technologies and services.

Geospatial · Leeds$3.7M Series A

Where Northern Gritstone invests

Software5
Health Care5
Artificial Intelligence (AI)4
Information Technology3
Manufacturing3
Biotechnology3

About Northern Gritstone's portfolio

How many companies has Northern Gritstone invested in?

Northern Gritstone has invested in 54 companies tracked in our database. The portfolio spans multiple industries and funding stages, from seed-stage startups to late-stage companies.

What industries does Northern Gritstone invest in?

Northern Gritstone's top investment sectors include Software, Health Care, Artificial Intelligence (AI), Information Technology, Manufacturing. The firm invests across 43 different industry categories.

What is Northern Gritstone's largest investment?

Among tracked funding rounds, Phagenesis received $42.0M in a Series D round. Northern Gritstone's total known invested capital is $375.4M.

What is the average investment size for Northern Gritstone?

Northern Gritstone's average investment size is $9.2M across its portfolio of 54 companies.

What are Northern Gritstone's most recent investments?

Recent Northern Gritstone portfolio additions include Mimetrik, PhovIR Technologies, Pixel-Flo, AssetCool, Opteran. These companies were founded in 2020 or later.

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